US3057431A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable sportsman's seat
Assignee: GRADY F QUIMBY
•
Filing: 1961-05-10
•
Granted: 1962-10-09
•
Expires: 1981-05-10
Abstract
No abstract record available.
Inventors
- 👤 George James Russel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:50
CPC Classifications
E; E06; E06C; E06C1/00; E06C1/02; E06C1/38; E06C1/39; A; A01; A01M; A01M31/00; A01M31/02; E06C1/34; E06C1/52
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US579277A
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AT25635B
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US1106582A
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GB288433A
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US1894489A
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US2318943A
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DE814537C
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US2767898A
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US2805016A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-10-08 | 1966-04-09 | 1966-10-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-08 | 1970-04-09 | 1970-10-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-08 | 1974-04-09 | 1974-10-09 | $7700.00 | Window Closed / Lapsed |